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authorBrian <brian.paul@tungstengraphics.com>2007-10-14 11:55:31 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-10-14 11:55:31 -0600
commit7b0b694406e4043cb163f9832c9c02934fa54568 (patch)
treeb6c33b4483eecd2542a0cca834aa0b1f3678ee61 /src
parentd45fdc3f1f8200c1f1703bdcd5a74a153c74b1c4 (diff)
16-bit rgba surface/format for accum
Diffstat (limited to 'src')
-rw-r--r--src/mesa/state_tracker/st_cb_fbo.c12
-rw-r--r--src/mesa/state_tracker/st_format.c49
-rw-r--r--src/mesa/state_tracker/st_format.h5
3 files changed, 57 insertions, 9 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 3e4aeab523..e1cc7d98bd 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -70,14 +70,6 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
if (!info)
return GL_FALSE;
- switch (pipeFormat) {
- case PIPE_FORMAT_S8_Z24:
- strb->Base.DataType = GL_UNSIGNED_INT;
- break;
- default:
- strb->Base.DataType = GL_UNSIGNED_BYTE; /* XXX fix */
- }
-
strb->Base._ActualFormat = info->base_format;
strb->Base.RedBits = info->red_bits;
strb->Base.GreenBits = info->green_bits;
@@ -85,6 +77,9 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
strb->Base.AlphaBits = info->alpha_bits;
strb->Base.DepthBits = info->depth_bits;
strb->Base.StencilBits = info->stencil_bits;
+ strb->Base.DataType = st_format_datatype(pipeFormat);
+
+ assert(strb->Base.DataType);
cpp = info->size;
@@ -229,6 +224,7 @@ st_new_renderbuffer_fb(GLenum intFormat)
switch (intFormat) {
case GL_RGB5:
case GL_RGBA8:
+ case GL_RGBA16:
strb->Base._BaseFormat = GL_RGBA;
break;
case GL_DEPTH_COMPONENT16:
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 2d20892cb0..7564c6014e 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -54,6 +54,7 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_U_R8_G8_B8_A8, /* format */
GL_RGBA, /* base_format */
+ GL_UNSIGNED_BYTE, /* datatype for renderbuffers */
8, 8, 8, 8, 0, 0, /* color bits */
0, 0, /* depth, stencil */
4 /* size in bytes */
@@ -61,6 +62,7 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_U_A8_R8_G8_B8,
GL_RGBA, /* base_format */
+ GL_UNSIGNED_BYTE, /* datatype for renderbuffers */
8, 8, 8, 8, 0, 0, /* color bits */
0, 0, /* depth, stencil */
4 /* size in bytes */
@@ -68,6 +70,7 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_U_A1_R5_G5_B5,
GL_RGBA, /* base_format */
+ GL_UNSIGNED_SHORT, /* datatype for renderbuffers */
5, 5, 5, 1, 0, 0, /* color bits */
0, 0, /* depth, stencil */
2 /* size in bytes */
@@ -75,13 +78,23 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_U_R5_G6_B5,
GL_RGBA, /* base_format */
+ GL_UNSIGNED_SHORT, /* datatype for renderbuffers */
5, 6, 5, 0, 0, 0, /* color bits */
0, 0, /* depth, stencil */
2 /* size in bytes */
},
{
+ PIPE_FORMAT_S_R16_G16_B16_A16,
+ GL_RGBA, /* base_format */
+ GL_UNSIGNED_SHORT, /* datatype for renderbuffers */
+ 16, 16, 16, 16, 0, 0, /* color bits */
+ 0, 0, /* depth, stencil */
+ 8 /* size in bytes */
+ },
+ {
PIPE_FORMAT_U_Z16,
GL_DEPTH_COMPONENT, /* base_format */
+ GL_UNSIGNED_SHORT, /* datatype for renderbuffers */
0, 0, 0, 0, 0, 0, /* color bits */
16, 0, /* depth, stencil */
2 /* size in bytes */
@@ -89,6 +102,7 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_U_Z32,
GL_DEPTH_COMPONENT, /* base_format */
+ GL_UNSIGNED_INT, /* datatype for renderbuffers */
0, 0, 0, 0, 0, 0, /* color bits */
32, 0, /* depth, stencil */
4 /* size in bytes */
@@ -96,6 +110,7 @@ st_get_format_info(GLuint format)
{
PIPE_FORMAT_S8_Z24,
GL_DEPTH_STENCIL_EXT, /* base_format */
+ GL_UNSIGNED_INT, /* datatype for renderbuffers */
0, 0, 0, 0, 0, 0, /* color bits */
24, 8, /* depth, stencil */
4 /* size in bytes */
@@ -112,6 +127,9 @@ st_get_format_info(GLuint format)
}
+/**
+ * Return bytes per pixel for the given format.
+ */
GLuint
st_sizeof_format(GLuint pipeFormat)
{
@@ -121,6 +139,18 @@ st_sizeof_format(GLuint pipeFormat)
}
+/**
+ * Return bytes per pixel for the given format.
+ */
+GLenum
+st_format_datatype(GLuint pipeFormat)
+{
+ const struct pipe_format_info *info = st_get_format_info(pipeFormat);
+ assert(info);
+ return info->datatype;
+}
+
+
GLuint
st_mesa_format_to_pipe_format(GLuint mesaFormat)
{
@@ -165,6 +195,22 @@ default_rgba_format(const GLuint formats[], GLuint num)
/**
+ * Search list of formats for first RGBA format with >8 bits/channel.
+ */
+static GLuint
+default_deep_rgba_format(const GLuint formats[], GLuint num)
+{
+ GLuint i;
+ for (i = 0; i < num; i++) {
+ if (formats[i] == PIPE_FORMAT_S_R16_G16_B16_A16) {
+ return formats[i];
+ }
+ }
+ return PIPE_FORMAT_NONE;
+}
+
+
+/**
* Search list of formats for first depth/Z format.
*/
static GLuint
@@ -244,8 +290,9 @@ st_choose_pipe_format(struct pipe_context *pipe, GLint internalFormat,
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
- case GL_RGBA16:
return default_rgba_format(supported, n);
+ case GL_RGBA16:
+ return default_deep_rgba_format(supported, n);
case GL_RGBA4:
case GL_RGBA2:
diff --git a/src/mesa/state_tracker/st_format.h b/src/mesa/state_tracker/st_format.h
index 6b3cba0f63..17d0985411 100644
--- a/src/mesa/state_tracker/st_format.h
+++ b/src/mesa/state_tracker/st_format.h
@@ -34,6 +34,7 @@ struct pipe_format_info
{
GLuint format;
GLenum base_format;
+ GLenum datatype;
GLubyte red_bits;
GLubyte green_bits;
GLubyte blue_bits;
@@ -54,6 +55,10 @@ extern GLuint
st_sizeof_format(GLuint pipeFormat);
+extern GLenum
+st_format_datatype(GLuint pipeFormat);
+
+
extern GLuint
st_mesa_format_to_pipe_format(GLuint mesaFormat);